webpack changes needed since we are working with CreateREactAppv2.x w…

…hich produces a different Webpack file. need to make some modifications according to github.com/satendra02/react-chrome-extension/issues/2

config/webpack.config.js

@@ -169,31 +169,28 @@ module.exports = function (webpackEnv) {
       : isEnvDevelopment && "cheap-module-source-map",
     // These are the "entry points" to our application.
     // This means they will be the "root" imports that are included in JS bundle.
-    entry:
-      isEnvDevelopment && !shouldUseReactRefresh
-        ? [
-            // Include an alternative client for WebpackDevServer. A client's job is to
-            // connect to WebpackDevServer by a socket and get notified about changes.
-            // When you save a file, the client will either apply hot updates (in case
-            // of CSS changes), or refresh the page (in case of JS changes). When you
-            // make a syntax error, this client will display a syntax error overlay.
-            // Note: instead of the default WebpackDevServer client, we use a custom one
-            // to bring better experience for Create React App users. You can replace
-            // the line below with these two lines if you prefer the stock client:
-            //
-            // require.resolve('webpack-dev-server/client') + '?/',
-            // require.resolve('webpack/hot/dev-server'),
-            //
-            // When using the experimental react-refresh integration,
-            // the webpack plugin takes care of injecting the dev client for us.
-            webpackDevClientEntry,
-            // Finally, this is your app's code:
-            paths.appIndexJs,
-            // We include the app code last so that if there is a runtime error during
-            // initialization, it doesn't blow up the WebpackDevServer client, and
-            // changing JS code would still trigger a refresh.
-          ]
-        : paths.appIndexJs,
+    entry: {
+      app: [
+        // Include an alternative client for WebpackDevServer. A client's job is to
+        // connect to WebpackDevServer by a socket and get notified about changes.
+        // When you save a file, the client will either apply hot updates (in case
+        // of CSS changes), or refresh the page (in case of JS changes). When you
+        // make a syntax error, this client will display a syntax error overlay.
+        // Note: instead of the default WebpackDevServer client, we use a custom one
+        // to bring better experience for Create React App users. You can replace
+        // the line below with these two lines if you prefer the stock client:
+        // require.resolve('webpack-dev-server/client') + '?/',
+        // require.resolve('webpack/hot/dev-server'),
+        isEnvDevelopment &&
+          require.resolve("react-dev-utils/webpackHotDevClient"),
+        // Finally, this is your app's code:
+        paths.appIndexJs,
+        // We include the app code last so that if there is a runtime error during
+        // initialization, it doesn't blow up the WebpackDevServer client, and
+        // changing JS code would still trigger a refresh.
+      ].filter(Boolean),
+      content: path.appContent,
+    },
     output: {
       // The build folder.
       path: isEnvProduction ? paths.appBuild : undefined,
@@ -297,16 +294,14 @@ module.exports = function (webpackEnv) {
       // Automatically split vendor and commons
       // https://twitter.com/wSokra/status/969633336732905474
       // https://medium.com/webpack/webpack-4-code-splitting-chunk-graph-and-the-splitchunks-optimization-be739a861366
-      splitChunks: {
-        chunks: "all",
-        name: isEnvDevelopment,
-      },
+      // splitChunks: {
+      //   chunks: "all",
+      //   name: isEnvDevelopment,
+      // },
       // Keep the runtime chunk separated to enable long term caching
       // https://twitter.com/wSokra/status/969679223278505985
       // https://github.com/facebook/create-react-app/issues/5358
-      runtimeChunk: {
-        name: (entrypoint) => `runtime-${entrypoint.name}`,
-      },
+      runtimeChunk: false,
     },
     resolve: {
       // This allows you to set a fallback for where webpack should look for modules.
@@ -564,7 +559,9 @@ module.exports = function (webpackEnv) {
           {},
           {
             inject: true,
+            chunks: ["app"],
             template: paths.appHtml,
+            filename: "popup.html",
           },
           isEnvProduction
             ? {
@@ -653,7 +650,7 @@ module.exports = function (webpackEnv) {
             manifest[file.name] = file.path;
             return manifest;
           }, seed);
-          const entrypointFiles = entrypoints.main.filter(
+          const entrypointFiles = entrypoints.app.filter(
             (fileName) => !fileName.endsWith(".map")
           );